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Home/Cars/Genesis/G70/1st Gen (2018-Present)/my Genesis G70 has a knocking sound when I drive slowly what could it be

my Genesis G70 has a knocking sound when I drive slowly what could it be

Genesis G70 1st Gen (2018-Present)

Severity: mediumDifficulty: medium2-4 hours
3 min read
505 words

Problem Statement

Learn how to diagnose and fix a knocking sound in your Genesis G70. Step-by-step guide with diagnostic procedures and repair instructions.

Component
Suspension
Repair Time
2-4 hours

Safety Warnings

  • ⚠Disconnect battery before working on electrical systems.
  • ⚠Ensure the vehicle is securely lifted and supported before working under it.

Symptoms

  • •Knocking sound at low speeds
  • •Possible vibration felt through the steering wheel
  • •Abnormal noise when turning
  • •Uneven tire wear may develop
  • •Check engine light may illuminate (if related to other underlying issues)

Diagnostic Steps

  1. 1Inspect the vehicle visually for any obvious signs of damage or loose components.
  2. 2Check the tire pressure and inspect tires for uneven wear or damage.
  3. 3Lift the vehicle and check for play in the suspension components (ball joints, control arms).
  4. 4Inspect the CV joints and axles for any signs of wear or damage.
  5. 5Scan for error codes using an OBD-II scanner to identify any related issues.

Solution

Solution

1. Preparation

  • Gather necessary tools and parts.
  • Park the vehicle on a flat, level surface and engage the parking brake.
  • Disconnect the battery to ensure safety while working on the vehicle.

2. Inspect and Replace Suspension Components

  • Inspect Suspension:
    • Remove the wheel to access suspension components.
    • Check for wear or play in the ball joints, tie rods, and control arms.
  • Replace Components (if necessary):
    • If any component shows significant wear, remove the retaining bolts using a socket set.
    • Replace the worn component with a new part, ensuring to torque the bolts to the manufacturer’s specifications.
  • Reinstall Wheel:
    • Place the wheel back onto the hub and torque the lug nuts to the specified value.

3. Inspect and Service CV Joints

  • Inspect CV Joints:
    • Check the CV boots for tears or leaks.
    • If damaged, remove the CV joint from the axle using a socket set.
  • Replace or Grease CV Joint:
    • If replacement is needed, install a new CV joint and ensure it's securely fastened.
    • If servicing, clean the joint and apply fresh CV grease before reassembly.

4. Test Drive the Vehicle

  • Reconnect the battery and start the vehicle.
  • Conduct a test drive at low speeds to verify that the knocking sound has been resolved.

Verification

After completing the repair, verify that the issue has been resolved:

  • Test the affected component to ensure it functions correctly
  • Check for any error codes or warning lights
  • Monitor the vehicle for a few days to ensure the issue does not recur

Prevention Tips

To prevent this issue from occurring again:

  • •Follow the manufacturer's recommended maintenance schedule
  • •Address warning signs early before they develop into major issues
  • •Use quality parts and fluids recommended for your vehicle
  • •Keep detailed records of all repairs and maintenance

Tools & Equipment Required

  • OBD-II scanner
  • Socket set
  • Torque wrench
  • Jack and jack stands

Parts Required

  • Suspension components (if needed)
  • CV joint or boot (if damaged)

Additional Information

Component

Suspension

Repair Time

2-4 hours

Difficulty

medium

Severity

medium

Tools

4 items

Parts

2 items

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